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ARCA is developing a high performance unmanned aerial vehicle
Citat:The aircraft is named Air Strato and is part of a larger UAV family that will carry out various missions for ARCA and our partners. The first prototype is completed and is already in testing.
This is the largest version having a wingspan of 16m (52 ft) and is intended for stratospheric flights up to an altitude of 18 km. The aircraft is electrically powered and has autonomy of 7 hours on internal batteries and 3 days using solar panels. It can carry a payload of 30 kg consisting of aerial photography and surveillance equipment, scientific instruments or other payloads for various tasks including additional battery pods for extended autonomy.
The second prototype is already under construction and it will have a retractable landing gear and improved avionics.
The other versions of Air Strato have a smaller wingspan and lower flight ceiling but higher maximum speed and larger payloads.
 [Link mogu videti samo ulogovani korisnici]
wiki:
General characteristics
Crew: 0
Length: 7 m
Wingspan: 16 m
Height: 2.4 m
Wing area: 18 m²
Maximum takeoff weight: 280 kg
Performance
Maximum speed at altitude: 190 km/h
Flight ceiling: 18,000 m
Endurance: 3 days
[Link mogu videti samo ulogovani korisnici]
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